# -*- encoding:utf-8 -*-
# !/usr/bin/env python
'''
    python-0806-04.py
    ======================
    @descript: 空类
    @copyright:nnz
    @author:dln
    @date: 2021/8/9 10:06
    @version:v1.0
'''
#空类
class class_01:
    pass

class class_02:
    pass
print(class_02.__doc__)